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Eddy current retarder

A technology of eddy current retarder and central shaft, which is applied in the direction of electric brake/clutch, electric components, electromechanical devices, etc. It can solve the problems of weakening deceleration effect and heating of rotor disk, so as to ensure eddy current braking effect and promote cooling effect Effect

Active Publication Date: 2021-06-18
深圳裕典通微电子科技有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides an eddy current retarder, which has the advantages of ensuring the cooling of the rotor disc and the speed of the stator, and ensuring the deceleration left and right, and solves the problem that the rotor disc is heated and the deceleration effect of the rotor is weakened after deceleration

Method used

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Embodiment Construction

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0019] see Figure 1-5 , an eddy current retarder, comprising a central shaft 1, a drive shaft 2 is fixedly installed at both ends of the central shaft 1, a fixed disk 3 is movable in the middle of the central shaft 1, and movable rings are movable in both sides of the fixed disk 3 4. A rolling bearing 7 is fixedly installed between the movable ring 4 and the fixed plate 3, a stator 5 is fixedly installed in the inner groove of the movable ring 4, a magnetic p...

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Abstract

The invention relates to the technical field of braking equipment, and discloses an eddy current retarder which comprises a center shaft. According to the eddy current retarder, the blade bending direction of nozzle blades is set opposite to the rotating direction of the center shaft, so that the rotating direction of a stator is opposite to that of the center shaft, namely, after the stator is electrified, eddy current is generated in a rotor disc, the rotor disc starts to decelerate, heat is generated, hot high-pressure gas is generated and blown to the nozzle blades, the heat-conducting nozzle blades transfer heat to the air bag to be expanded, so that connecting plates are clamped by pressing plates, a movable ring is driven to rotate, the rotating speed of the stator to the rotor disc is still high after the center shaft is decelerated, the decelerating effect on the rotor disc is guaranteed, meanwhile, air is released from the outer ring of the air cylinder, and the air cylinder is prevented from rotating. hot air can be cooled through kinetic energy conversion of the nozzle blades, the cooled air is blown to the back face of the rotor disc, the cooling effect of equipment on the rotor disc is promoted, and the eddy current braking effect of the rotor disc is further guaranteed.

Description

technical field [0001] The invention relates to the technical field of brake equipment, in particular to an eddy current retarder. Background technique [0002] The improvement of road conditions and the improvement of vehicle performance have greatly increased the speed of vehicles, and the requirements for vehicle safety have become higher and higher, which puts forward higher requirements for the performance of vehicle braking systems. For trucks and long-distance buses in mountainous areas, due to frequent braking, the service life of the brake friction plate is reduced. In addition, the heat decay caused by the friction of the wheel hub reduces the braking performance. The eddy current retarder is used as an auxiliary braking device. It can improve the reliability of the vehicle braking system, prolong the service life of the braking system, and greatly reduce the cost of vehicle use. [0003] The specific working process of the electromagnetic eddy current retarder is...

Claims

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Application Information

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IPC IPC(8): H02K49/04H02K1/32H02K9/06
CPCH02K49/046H02K1/32H02K9/06Y02T10/64
Inventor 不公告发明人
Owner 深圳裕典通微电子科技有限公司
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